UpdateAction

MMO.core.history · 1 symbol · generated 5 Oct 2026

class

class MMO.core.history.UpdateAction extends MMO.core.history.Action

	constructor(target, api, doFn, undoFn, data)
	execute() async	Save the entity, then run the local action with whatever the server sent back.
	undo() async	Save the entity's previous state back, then roll the local action back.

constructor(target, api, doFn, undoFn, data)

Save the entity, then run the local action with whatever the server sent back.

async execute()

returns	`Promise<boolean>`	false when the action had already run
throws		server's error when it refused the change

Save the entity's previous state back, then roll the local action back.

async undo()

returns	`Promise<boolean>`	false when the action was not in effect
throws		server's error when it refused the change